Optical information recording medium
AssigneeFuji Photo Film Co., Ltd.
InventorsToshio Ishida, Takeshi Kakuta, Shinji Saito
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Abstract
The present invention is an optical information recording medium comprising a substrate having disposed in an order thereon a recording layer, an interlayer, and a cover layer, wherein recording and reproduction are carried out by the irradiation with a laser light having a wavelength in the range of 380 to 500 nm through a lens having a lens numerical aperture NA of 0.7 or more, wherein the recording layer is a layer of an organic substance and the thickness of the interlayer is within a range of 1 nm to 9 nm.
Claims20
An optical information recording medium comprising a substrate having disposed thereon in the following order a recording layer, an interlayer, and a cover layer, wherein recording on and reproduction from the optical information recording medium are carried out by irradiation with a laser light having a wavelength in the range of 380 to 500 nm through a lens having a lens numerical aperture NA of at least 0.7, the recording layer includes a layer of an organic substance and the thickness of the interlayer is from 1 to 9 nm.
Dependencies are inferred from the claim text.